HC Deb 24 January 1967 vol 739 c1251
18. Mr. J. H. Osborn

asked the Minister of Technology what consideration he is now giving to the construction of a 300 megawatt steam generating heavy water reactor; what estimate he has made of the capital cost per kilowatt, and the generating cost of each unit of electricity; and what information has already been gained from the steam generating heavy water reactor at Winfrith Heath.

Dr. Bray

The construction of the prototype S.G.H.W. reactor at Winfrith is on schedule and it should be on power this autumn. Data on it is being prepared, and costs forecast are promising. Discussions with potential customers are in progress.

Mr. Osborn

Can the hon. Gentleman say what is the future for larger units based on information gained so far? Is not this another break through of which we can be proud?

Dr. Bray

Yes, indeed it is a great achievement of which there is much to be proud. It would, however, be premature to venture cost estimates even for the present reactor until it is actually on steam and the prototype has been proved.